January weather forecastNewtonville, NJ

January

Weather in January

January, the same as December, is another cold winter month in Newtonville, New Jersey, with an average temperature fluctuating between 39°F (3.9°C) and 27°F (-2.8°C).

Temperature

January is Newtonville's coldest month, registering average high temperatures of 39°F (3.9°C) and lows of 27°F (-2.8°C).

Humidity

In January, the average relative humidity is 74%.

Rainfall

January is the month with the least rainfall in Newtonville, New Jersey. Rain falls for 6.3 days and accumulates 0.75" (19mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 4.5 days and typically aggregates up to 1.38" (35mm) of snow.

Daylight

In Newtonville, the average length of the day in January is 9h and 45min.
On the first day of January, sunrise is at 7:19 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:17 pm EST.

Sunshine

In January, the average sunshine in Newtonville is 5.1h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

January stands out as Newtonville's coldest month, with temperatures ranging between an average high of 39°F (3.9°C) and a low of 27°F (-2.8°C).

The high-temperature, in January, in Newtonville, records 39°F (3.9°C), while the low-temperature is 27°F (-2.8°C).

In Newtonville, the average relative humidity in January is 74%.

January is the month with the least rainfall. Rain falls for 6.3 days and accumulates 0.75" (19mm) of precipitation.

In Newtonville, during January, the rain falls for 6.3 days and regularly aggregates up to 0.75" (19mm) of precipitation.

The month with the most snowfall is January, when snow falls for 4.5 days and typically aggregates up to 1.38" (35mm) of snow.

In January, it is snowing for 4.5 days. Throughout January, 1.38" (35mm) of snow is accumulated.

In Newtonville, the average day length in January is 9h and 45min.

In January, on the first day of the month, sunrise is at 7:19 am and sunset at 4:45 pm. On the last day of the month, in Newtonville, sunrise is at 7:07 am and sunset at 5:17 pm EST.

In Newtonville, the average sunshine duration in January is 5.1h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Newtonville, NJ

  • Average high temperature in January: 39°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in January: 27°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in January
Newtonville, NJ

  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in January
Newtonville, NJ

  • Average wind speed in January: 8.5mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average humidity in January
Newtonville, NJ

  • Average humidity in January: 74%

The months with the highest relative humidity are June, September and October (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall in January
Newtonville, NJ

  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in January
Newtonville, NJ

  • Average rainfall days in January: 6.3 days

The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in January
Newtonville, NJ

  • Average snowfall in January: 1.38"

The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Newtonville, NJ

  • Average snowfall days in January: 4.5 days

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Newtonville, NJ

  • Average daylight in January: 9h and 48min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in January: 5h and 6min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Newtonville, NJ

  • Average sunshine days in January: 20.6 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in January
Newtonville, NJ

  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Newtonville, NJ

  • Average cloud cover in January: 45

The months with the most cloud cover are February and March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in January
Newtonville, NJ

  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).